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Chem 4
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Ideal Gas Law
PV=nRT
Universal Gas Constants
3 Different R
R=
(.082)L*ATM
molK
R=(8.314)
J
molK
R= (62.44)
L*Torr
molK
Charles Law
V as it relates to T
Boyle's Law
V as it relates to P
Avogadro's Law
V as it relates to n
Before
P
_{b}
V
_{b}
= P
_{a}
V
_{a}
___________
T
_{b }
T
_{a}
Convert
^{o}
C to K
273.15 +
^{o}
C
Gas Density Calculations- Find Molar Mass of Gas
P=
dRT
M
M=
dRT
P
Density
Mass
Volume
g
L
To find Molecular formula
Find empircal formula
Find the molar mass of gas
Find Molar mass of empirical formula
Divide the amu (g/mol) by the molar mass
Multiply by the subscripts.
(Empirical Formula)
_{x}
=Molecular Mass of elements or gas
Solve for x and mulitply x by the subscripts of Empirical Formula
Dalton's Law of Partial Pressures
Total # of moles of gas mixture= Sum of moles of individual components
n
_{total}
=n
_{a}
+n
_{b}
+n
_{c}
......
Author
chiroclown
ID
26311
Card Set
Chem 4
Description
Gas Laws
Updated
2010-07-11T04:14:05Z
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